From b05de1040009d0d07a5a2e2765cffe554ffbe6ac Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Mon, 13 Jan 2020 19:58:28 +0000 Subject: C11 threads: Move implementation to sysdeps/pthread so it gets shared by nptl and htl. Also add htl versions of thrd_current and thrd_yield. Reviewed-by: Adhemerval Zanella --- sysdeps/pthread/call_once.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 sysdeps/pthread/call_once.c (limited to 'sysdeps/pthread/call_once.c') diff --git a/sysdeps/pthread/call_once.c b/sysdeps/pthread/call_once.c new file mode 100644 index 0000000000..25e2964c76 --- /dev/null +++ b/sysdeps/pthread/call_once.c @@ -0,0 +1,31 @@ +/* C11 threads call once implementation. + Copyright (C) 2018-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +#include "thrd_priv.h" + +void +call_once (once_flag *flag, void (*func)(void)) +{ + _Static_assert (sizeof (once_flag) == sizeof (pthread_once_t), + "sizeof (once_flag) != sizeof (pthread_once_t)"); + _Static_assert (alignof (once_flag) == alignof (pthread_once_t), + "alignof (once_flag) != alignof (pthread_once_t)"); + __pthread_once ((pthread_once_t *) flag, func); +} -- cgit 1.4.1